Re: 08 4.3 exhaust rumble !?
I had a rumble in my '96 4.3 one day after I went fishing. I came back to get the truck and trailer to load up the boat, and when I started it, it was loud. I looked under it and lo & behold; someone had been sawing my catalytic converter off. I guess I got back in the nick of time, I just had to re-weld it back on the next day. Thieves!! Bah humbug!!
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